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SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
Stateless objects used to perform math on the various Number subclasses. Instances are required so that polymorphic calls work properly, but each subclass creates a singleton instance to minimize garbage. All methods must be thread-safe. The design goals of this class are as follows:
Constructor Summary | |
NumberMath()
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Method Summary | |
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static Number |
abs(Number number)
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Number |
absImpl(Number number)
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static Number |
add(Number left, Number right)
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Number |
addImpl(Number left, Number right)
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static Number |
and(Number left, Number right)
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Number |
andImpl(Number left, Number right)
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static int |
compareTo(Number left, Number right)
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int |
compareToImpl(Number left, Number right)
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UnsupportedOperationException |
createUnsupportedException(String operation, Number left)
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static Number |
divide(Number left, Number right)
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Number |
divideImpl(Number left, Number right)
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static NumberMath |
getMath(Number left, Number right)
Determine which NumberMath instance to use, given the supplied operands. |
static NumberMath |
getMath(Number number)
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static Number |
intdiv(Number left, Number right)
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Number |
intdivImpl(Number left, Number right)
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static boolean |
isBigDecimal(Number number)
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static boolean |
isBigInteger(Number number)
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static boolean |
isFloatingPoint(Number number)
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static boolean |
isInteger(Number number)
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static boolean |
isLong(Number number)
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static Number |
leftShift(Number left, Number right)
For this operation, consider the operands independently. |
Number |
leftShiftImpl(Number left, Number right)
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static Number |
mod(Number left, Number right)
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Number |
modImpl(Number left, Number right)
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static Number |
multiply(Number left, Number right)
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Number |
multiplyImpl(Number left, Number right)
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static Number |
or(Number left, Number right)
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Number |
orImpl(Number left, Number right)
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static Number |
rightShift(Number left, Number right)
For this operation, consider the operands independently. |
Number |
rightShiftImpl(Number left, Number right)
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static Number |
rightShiftUnsigned(Number left, Number right)
For this operation, consider the operands independently. |
Number |
rightShiftUnsignedImpl(Number left, Number right)
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static Number |
subtract(Number left, Number right)
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Number |
subtractImpl(Number left, Number right)
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static BigDecimal |
toBigDecimal(Number n)
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static BigInteger |
toBigInteger(Number n)
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static Number |
unaryMinus(Number left)
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Number |
unaryMinusImpl(Number left)
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static Number |
xor(Number left, Number right)
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Number |
xorImpl(Number left, Number right)
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Constructor Detail |
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NumberMath()
Method Detail |
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public static Number abs(Number number)
Number absImpl(Number number)
public static Number add(Number left, Number right)
Number addImpl(Number left, Number right)
public static Number and(Number left, Number right)
Number andImpl(Number left, Number right)
public static int compareTo(Number left, Number right)
int compareToImpl(Number left, Number right)
UnsupportedOperationException createUnsupportedException(String operation, Number left)
public static Number divide(Number left, Number right)
Number divideImpl(Number left, Number right)
static NumberMath getMath(Number left, Number right)
static NumberMath getMath(Number number)
public static Number intdiv(Number left, Number right)
Number intdivImpl(Number left, Number right)
public static boolean isBigDecimal(Number number)
public static boolean isBigInteger(Number number)
public static boolean isFloatingPoint(Number number)
public static boolean isInteger(Number number)
public static boolean isLong(Number number)
public static Number leftShift(Number left, Number right)
Number leftShiftImpl(Number left, Number right)
public static Number mod(Number left, Number right)
Number modImpl(Number left, Number right)
public static Number multiply(Number left, Number right)
Number multiplyImpl(Number left, Number right)
public static Number or(Number left, Number right)
Number orImpl(Number left, Number right)
public static Number rightShift(Number left, Number right)
Number rightShiftImpl(Number left, Number right)
public static Number rightShiftUnsigned(Number left, Number right)
Number rightShiftUnsignedImpl(Number left, Number right)
public static Number subtract(Number left, Number right)
Number subtractImpl(Number left, Number right)
public static BigDecimal toBigDecimal(Number n)
public static BigInteger toBigInteger(Number n)
public static Number unaryMinus(Number left)
Number unaryMinusImpl(Number left)
public static Number xor(Number left, Number right)
Number xorImpl(Number left, Number right)